41/2 digit LED display. Resolution 0.1 micro-ohm on 2 milli-ohm range. Mains cum Battery operated. True 4-wire resistance measuring technique eliminates lead resistance errors inherent in 2 wire systems. Pulse mode operation. Usable for Resistive & inductive load. Rechargable battery operated with inbuilt battery charger. Built in special features required for low resistance measurements. Portable & Fuse protected.